﻿<!DOCTYPE html> 
<html>
<head>
    <meta charset="utf-8" />
    <title>big标签和small标签</title>
</head>
<body>
    <p>普通字体文本 </p>
    <big>大字号文本</big><br/>
    <small>小字号文本</small>
</body>
</html>
